Air bag inflator
US6672616B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2002 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | Mar 14, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/1767
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An inflator for an air-bag has two gas chambers mounted on a central block (1). The central block defines passages leading from the gas chambers to the air-bag, but the passages are initially sealed by closures . An ignitor mounted on the block can generate hot gas to move an actuating element in a predetermined direction, the actuating element having a conical face which acts on inclined faces of two opening elements which are thus moved apart to rupture the closures to permit gas to flow from the chambers into the air-bag. Finally gas from the ignitor can also flow through a passage into the air-bag to ignite the mixed gases from the two gas chambers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.